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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2020.12.012
|2 doi
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|a pubmed24n1063.xml
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|a (DE-627)NLM319059359
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|a (NLM)33341082
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|a (PII)S0981-9428(20)30635-5
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Liu, Zhiyong
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Non-structural carbohydrates coordinate tree peony flowering both as energy substrates and as sugar signaling triggers, with the bracts playing an essential role
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|c 2021
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 16.02.2021
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|a Date Revised 16.02.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 Elsevier Masson SAS. All rights reserved.
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|a The natural fluorescence of tree peony is short. Forcing culture, mainly by defoliation and gibberellin (GA) treatment, is frequently used for its industrial production. We previously found forcing culture to be coordinated by non-structural carbohydrates (NSCs). Herein, we further revealed the specific role of NSCs during this process. We observed that both defoliation and GA treatment increased the photosynthesis in the bracts, and defoliation had a greater effect on NSC assimilation. We further determined the NSC content and PsSWEETs expression in the bracts, and the results indicated that GA may contribute more to NSC allocation by inducing PsSWEET7. Furthermore, we determined the trehalose-6-phosphate (T6P) content and sugar signaling-related gene (PsTPS1, PsSnRK1, and PsHXK1) expression in both the petals and bracts and found that both defoliation and GA treatment induced T6P levels as well as PsTPS1 expression in both tissues. This indicated that the sugar signaling pathway may also be involved in NSC-coordinated tree peony flowering. In particular, PsSnRK1 was more rapidly induced in the bracts (as an energy shortage response) in the control plants and was completely prohibited by defoliation and GA treatment, indicating the key role of the bracts in sugar signaling. In conclusion, NSCs induced tree peony flowering both as an energy substrate and sugar signaling trigger, with the bracts playing an essential role. These results may provide further evidence on the mechanism of NSC-coordinated flower opening in tree peony under forcing culture conditions, which may also provide a foundation for improving this technology
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|a Journal Article
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|a Defoliation
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| 650 |
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4 |
|a Gibberellin
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|a Photosynthesis
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4 |
|a SnRK1
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|a Trehalose-6-phosphate
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| 650 |
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7 |
|a Carbohydrates
|2 NLM
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| 650 |
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7 |
|a Sugars
|2 NLM
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| 700 |
1 |
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|a Shi, Yantong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xue, Yuqian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xiaoping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Zhen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xue, Jingqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xiuxin
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 159(2021) vom: 01. Feb., Seite 80-88
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:159
|g year:2021
|g day:01
|g month:02
|g pages:80-88
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|u http://dx.doi.org/10.1016/j.plaphy.2020.12.012
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